Process Variation Sensitivities of Rotary Traveling Wave and Mobius Standing Wave Oscillators

2013 ◽  
Author(s):  
Vinayak Honkote ◽  
Renuka Devi Nagarajan
Keyword(s):  
Standing Wave ◽  
Traveling Wave ◽  
Process Variation

Study on the Wave Deformation of a Traveling Wave Piezoelectric Stator Using Composite Transducer

2012 ◽  
Vol 516-517 ◽  
pp. 1647-1650
Author(s):  
Ying Xiang Liu ◽  
Pei Lian Feng ◽  
Wei Shan Chen ◽  
Jun Kao Liu
Keyword(s):  
Standing Wave ◽  
Traveling Wave ◽  
Vibration Amplitude ◽  
Longitudinal Vibration ◽  
Standing Waves ◽  
Piezoelectric Motor ◽  
Wave Shape ◽  
Bending Vibration ◽  
Motion Trajectories ◽  
Wave Deformation

In a previous study, the authors have presented and developed a cylindrical traveling wave piezoelectric motor using a composite transducer. This study focuses the research on the wave deformation problems in the proposed stator. Firstly, the standing wave excited by the longitudinal vibration of the transducer is analyzed, and the vibration amplitudes of particles on the driving teeth are extracted to present the objective wave shape. Then, the wave deformation of the standing wave excited by the bending vibration of the transducer is analyzed. Finally, the longitudinal and bending PZT are excited together to gain a flexural traveling wave in the stator, and the vibration amplitude distributions in radial and circumferential directions are gained. Study result indicates that there are obvious deformations on the two standing waves, which cause the motion trajectories of the surface particles are inconsistent.

RF DEFLECTOR BASED SUB-PS BEAM DIAGNOSTICS: APPLICATION TO FEL AND ADVANCED ACCELERATORS

2007 ◽  
Vol 22 (22) ◽  
pp. 3693-3725 ◽  
Author(s):  
DAVID ALESINI
Keyword(s):  
Phase Space ◽  
Standing Wave ◽  
Traveling Wave ◽  
Pulse Shape ◽  
Design Criteria ◽  
Beam Diagnostics ◽  
Transverse Beam ◽  
Main Design ◽  
Space Characterization ◽  
Beam Manipulation

RF deflectors are very promising devices for longitudinal and transverse phase space characterization and beam manipulation in advanced accelerators. Measurement setups for longitudinal pulse shape as well as phase space and transverse beam slice emittance characterizations are described as well the main design criteria of traveling wave and standing wave RF deflectors used for beam diagnostics putting in evidence the advantages or disadvantages of the two devices in terms of performances, required power and power limitations.

Traveling-wave–standing-wave competition in a generalized complex Swift-Hohenberg equation

1998 ◽  
Vol 57 (5) ◽  
pp. R4911-R4914 ◽  
Author(s):  
Víctor J. Sánchez-Morcillo ◽  
Germán J. de Valcárcel ◽  
Eugenio Roldán ◽  
Kestutis Staliunas
Keyword(s):  
Standing Wave ◽  
Traveling Wave ◽  
Generalized Complex ◽  
Wave Competition
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